You can now access over 90 MB banking centers and 130 MB ATMs throughout Chicagoland.

MB Welcomes American Chartered Bank Customers

American Chartered Bank has merged into MB Financial Bank, N.A. MB, like American Chartered Bank, has a long history of helping customers achieve their financial potential. We are committed to providing exceptional customer service and making this a smooth transition. Please use this website to keep up to date on merger related information. Welcome to MB!